Watch a Hunk of Lightning

Premiering tonight on PBS stations is a new documentary on Dorothea Lange, the legendary photojournalist whose iconic Migrant Mother photo has defined the Great Depression. Grab a Hunk of Lightning will be featured on the American Masters series.

In some markets, it is on Friday night. For those in Georgia, it will be on Sunday at 12:30 p.m. My DVR is already set …